Johnson Controls DHPM12NWM42Q1 User Manual

Johnson Controls Unitary Products 898150-UIM-B-0113
LX DUCTLESS MULTI ZONE
HEAT PUMPS
MODELS: 16 SEER
1.5 to 3.5 TONS – 1 PHASE
INSTALLATION MANUAL
LIST OF SECTIONS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
SHIPPING AND PACKAGING LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
REQUIRED INSTALLATION TOOLS (NOT SUPPLIED) . . . . . . . . . . . . . . . . . .3
SELECTING THE INSTALLATION LOCATION . . . . . . . . . . . . . . . . . . . . . . . . .3
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
REFRIGERANT LINE SET REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . .5
UNIT DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
TORQUE REQUIREMENTS FOR CAPS AND FASTNERS . . . . . . . . . . . . . . . .9
INDOOR UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
INDOOR UNIT WIRING CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
PIPE FORMING AND DRAIN PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
FLARING WORK AND PIPING CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . 12
INDOOR UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
OUTDOOR UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
OUTDOOR UNIT WIRING CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
PURGING PROCEDURE, LEAK TEST AND TEST RUN . . . . . . . . . . . . . . . . 18
TEST OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
EMERGENCY OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
INSTALLATION AND MAINTENANCE OF
HEALTHY FILTER (ACCESSORY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
TYPICAL UNIT WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
INDOOR AND OUTDOOR UNITS ERROR CODES . . . . . . . . . . . . . . . . . . . . . 24
LIST OF FIGURES
Indoor Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Prevailing Wind Barrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Clearances for Outdoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Condensate Drainage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Typical System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Indoor Unit Mounting Brackets with Weights & Dimensions . . . . . . . . . . . . . . . . .8
Outdoor Unit Weights & Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Mounting Bracket Spots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Masonry Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
PVC Wall Sleeve Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Indoor Unit Wall Mounting Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Indoor Electrical Wiring Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Drain Piping Outlets Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Proper and Improper Drain Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Left or Right Side Exits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Right or Right Rear Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Left or Left Rear Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Drain Hose Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Drain Hose Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Pipe Cutting Approved Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Deburring Line Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Flaring Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Proper and Improper Flaring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Connections at Indoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Flare Nuts Tighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Indoor Unit Attachment to Mounting Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Proper and Improper Drain Hose Installation Application . . . . . . . . . . . . . . . . . 13
Indoor Unit Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Outdoor Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Outdoor Unit Slab or Frame Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
18K Outdoor Unit Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
24K Outdoor Unit Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
30K Outdoor Unit Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
42K Outdoor Unit Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Indoor/Outdoor Piping Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Outdoor Line Set Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Line Set Connection Insulation and Taping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Utility Bundle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Exterior Wall Utility Cover (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Service Valve Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Air Purging Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Gauge Set Connections for Test Leaks, Evacuation Charging . . . . . . . . . . . . . 19
Leak Test Line Set Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Emergency Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Filter Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
18K Outdoor Heat Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
24K Outdoor Heat Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
30K Outdoor Heat Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
42K Outdoor Heat Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Indoor Unit Front Panel Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
LIST OF TABLES
Indoor Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Outdoor Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Multi Zone Matchup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Heat Pump Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Insulation Thickness & Material Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Refrigerant Line Set Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Indoor Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Outdoor Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Caps and Fasteners Torque Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Wire Color Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Flare Nut Torque Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Led Status Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
RETAIN THESE INSTRUCTIONS FOR
FUTURE REFERENCE
SECTION I: GENERAL
These instructions are intended as a general guide and do not super-
sede local codes in any way. Consult authorities having jurisdiction
before installation.
SECTION II: SAFETY
This is a safety alert symbol. When you see this symbol on
labels or in manuals, be alert to the potential for personal
injury.
Understand and pay particular attention to the signal words DANGER,
WARNING, or CAUTION.
DANGER indicates an imminently hazardous situation, which, if not
avoided, will result in death or serious injury
.
WARNING indicates a potentially hazardous situation, which, if not
avoided, could result in death or serious injury
.
CAUTION indicates a potentially hazardous situation, which, if not
avoided may result in minor or moderate injury
. It is also used to
alert against unsafe practices and hazards involving only property dam-
age.
These units must be installed as a matched system as specified in
the UPG Ductless Technical Guide.

Johnson Controls DHPM12NWM42Q1 Specifications

General

Model	DHPM12NWM42Q1
Phase	1
Refrigerant	R410A
Type	Heat Pump
Cooling Capacity	12000 BTU/h
Heating Capacity	12000 BTU/h
Voltage	208/230V

Summary

SECTION II: SAFETY

Safety Alert Symbol and Signal Words

Explains the safety alert symbol and signal words (DANGER, WARNING, CAUTION) for injury prevention.

SECTION V: SELECTING THE INSTALLATION LOCATION

Indoor Unit Installation Location Criteria

Outdoor Unit Installation Location Criteria

Criteria for selecting the optimal placement for the outdoor unit to ensure efficiency and longevity.

SECTION VII: REFRIGERANT LINE SET REQUIREMENTS

SECTION VII: REFRIGERANT LINE SET REQUIREMENTS (Continued)

Refrigerant Line Set Length and Elevation Limits

Table defining maximum lengths, elevation differences, and refrigerant charge for line sets.

SECTION X: INDOOR UNIT INSTALLATION

Installing the Wall Mounting Bracket

Step-by-step guide for securely mounting the indoor unit bracket to the wall.

SECTION X: INDOOR UNIT INSTALLATION (Continued)

Indoor Unit Electrical Wiring Connections

Detailed instructions and diagrams for making electrical connections to the indoor unit.

SECTION XII: PIPE FORMING AND DRAIN PIPING

SECTION XIII: FLARING WORK AND PIPING CONNECTIONS

Flaring Tool Usage and Technique

Detailed guide on using flaring tools and performing precise flare connections.

Proper and Improper Flaring Quality Check

SECTION XIV: INDOOR UNIT INSTALLATION

Attaching Indoor Unit to Mounting Bracket

SECTION XV: OUTDOOR UNIT INSTALLATION

Outdoor Unit Slab or Roof Mounting Guidelines

SECTION XVI: OUTDOOR UNIT WIRING CONNECTIONS

Outdoor Unit Electrical Wiring Requirements

Essential information on local codes, circuit breakers, and connecting wires for outdoor units.

18K Outdoor Unit Terminal Wiring Diagram

SECTION XVI: OUTDOOR UNIT WIRING CONNECTIONS (Continued)

24K Outdoor Unit Terminal Wiring Diagram

30K Outdoor Unit Terminal Wiring Diagram

SECTION XVI: OUTDOOR UNIT WIRING CONNECTIONS (Continued)

42K Outdoor Unit Terminal Wiring Diagram

Refrigerant Piping Connection Procedures

Steps for connecting refrigerant lines to the outdoor unit, including service port handling.

SECTION XVII: PURGING PROCEDURE, LEAK TEST AND TEST RUN

Service Valve Operation Guide

Explanation of how to operate service valves for system evacuation and charging.

Vacuum Pump Evacuation Procedure

SECTION XVII: PURGING PROCEDURE, LEAK TEST AND TEST RUN (Continued)

Refrigerant System Leak Testing Procedure

Procedure for detecting refrigerant leaks using nitrogen gas and soapy water.

System Running Test Procedure

SECTION XVIII: TEST OPERATION

SECTION XXIII: INDOOR AND OUTDOOR UNITS ERROR CODES

Indoor Unit Front Panel Indicator Guide

18K Outdoor Heat Pump Wiring Diagram

SECTION XXIII: INDOOR AND OUTDOOR UNITS ERROR CODES (Continued)

24K Outdoor Heat Pump Wiring Diagram

42K Outdoor Heat Pump Wiring Diagram

Indoor Unit Error Codes (Table 12) - Part 2

Continuation of indoor unit error codes, system status, and troubleshooting steps.

Indoor Unit Error Codes (Table 12) - Part 3

Further indoor unit error codes, system status, and troubleshooting information.

Indoor Unit Error Codes (Table 12) - Part 4

Additional indoor unit error codes, their system status, and troubleshooting guidance.

Indoor Unit Error Codes (Table 12) - Part 5

More indoor unit error codes, system status, and troubleshooting details.

Indoor Unit Error Codes (Table 12) - Part 6

Final set of indoor unit error codes, system status, and troubleshooting.

Outdoor Unit LED Status Codes (Table 13) - Part 2

30K Outdoor Heat Pump Wiring Diagram

Indoor Unit Error Codes (Table 12) - Part 1

List of indoor unit error codes, their system status, and troubleshooting guidance.

Outdoor Unit LED Status Codes (Table 13) - Part 1

Table listing LED status codes for various outdoor unit malfunctions.