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Axiom GEVB 42
Trane Axiom GEVB 42 User Manual
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on
1/2 - 5
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on
6 - 1
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on
Installation,
Oper
ation and
Maint
enance
Marc
h 20
07
WSHP
-S
VX0
1E-EN
GEHB
GEVB:
Design Sequence
006 - 060 – 50/60 HZ
006 - 060 – 50/60 Hz
"R" and later
072 - 1
80 – 50/60 Hz
072 - 30
0 – 50/60 Hz
"D" and later
Axiom™
Hor
iz
ontal/V
er
tical
W
at
er
-Sour
ce Comf
ort S
yst
em
Models GEH and GEV
2
Table of Contents
Default Chapter
2
Overview of Manual
2
Preface and Warnings and Cautions
2
Hazard Identification
2
Inspection
2
Model Number Description
2
Table of Contents
3
General Information
5
Compressor Nameplate
5
Unit Description
5
Controls
5
Jobsite Inspection
5
Jobsite Storage
5
Air-To-Refrigerant Coil
5
Water-To-Refrigerant Coil
5
System Input Devices and Functions
5
Basic 24V Controls
6
Deluxe 24V Controls (Option)
6
Tracer ZN510 or ZN524 Controls (Option)
6
Waterside Economizer (Option)
6
Boilerless Control/Electric Heat (Option)
6
Supplemental or Boilerless Electric Heat (Option)
6
Hot Gas Reheat (Option)
7
Weight Distribution for Hanging the GEH Model
8
Unit Weights
8
Waterside Economizer Weight
8
GEH Clearance Dimensions
9
GEH 1/2 through 5 Ton Clearance
9
GEH 6 through 15 Ton Clearance
9
GEV 12 1/2 through 25 Ton Clearance Dimensions
10
Left Return, Left Supply
11
Measurements
11
Left Return/Back Supply
12
Left Return/Right Supply
13
Right Return/Left Supply
14
Right Return/Back Supply
15
Right Return/Right Supply
16
Left Return/Top Supply
17
Right Return/Top Supply
19
GEH 072-120 (60Hz) GEH 072-090 (50 Hz) GEH-Right Return/Left Supply
21
GEH 072-120 (60Hz) GEH 072-090 (50Hz) GEH-Right Return/Back Supply
22
GEH 072-120 (60Hz) GEH 072-090 (50Hz) GEH- Left Return/Right Supply
23
GEH 072-120 (60Hz) GEH 072-090 (50Hz) GEH- Left Return/Back Supply
24
GEH 150-180 (60Hz) GEH 120-150 (50Hz) GEH- Right Return/Left Supply
25
GEH 150-180 (60Hz) GEH 120-150 (50Hz) GEH- Right Return/Back Supply
26
GEH 150-180 (60Hz) GEH 120-150 (50Hz) GEH- Left Return/Right Supply
27
GEH 150-180 (60Hz) GEH 120-150 (50Hz) GEH- Left Return/Back Supply
28
6 - 10 Ton (60Hz) 6 and 7 1/2 Ton (50Hz) - Front Return/Back Supply
29
6 - 10 Ton (60Hz) 6 and 7 1/2 Ton (50Hz) - Front Return/Top Supply
30
6 - 10 Ton (60Hz) 6 and 7 1/2 Ton (50Hz) - Back Return/Front Supply
31
6 - 10 Ton (60Hz) 6 and 7 1/2 Ton (50Hz) - Back Return/Top Supply
32
GEH Waterside Economizer
41
Hanging Unit Waterside Economizer
42
6 - 10 Ton (60Hz), 6 and 7 1/2 Ton (50Hz) Waterside Economizer
47
GEV 12 1/2 through 25 Ton Waterside Economizer
48
General Installation Checks
49
Filter Installation
49
Main Electrical
49
Supply-Air Ductwork
50
Return-Air Ductwork
50
Flexible Supply-Air Connector (Field Provided)
50
Flexible Return-Air Connector (Field Provided)
50
Return-Air Duct Panel
51
Opening Size and Part Number
51
Take off Side Panel
51
Dual Filtration (GEH 1/2 to 5 Ton)
51
Sound Attenuation Pad
52
Hanging the Horizontal Unit
52
Condensate Drain Connection
52
Supply/Return Pipe Connections
52
Types of Hose Connections
52
Cleaning and Flushing the Water Loop
53
Flexible Hoses with Ball Valves
53
Flexible Hoses with Ball Valves and Circuit Setter
53
Connecting a Water Regulating Valve
54
Installation for Single Compressor Units
54
Installation for Multiple Compressor Units
54
Field Installed Power Wiring
54
Main Unit Power Wiring
54
Thermostat Location
55
Control Power Transformer
55
Power Wiring Example
55
Thermostat/Sensor Location
55
24V AC Conductors
56
Basic Controls Wall Mounted Thermostat
56
Controls Using 24 VAC
56
Low Voltage Connection (1/2 through 5 Ton Equipment)
56
Controls Using 24 VAC
57
Deluxe Board Diagnostics
57
Low Voltage Connection (6 to 25 Ton)
57
Blower Motor Speed-Tap Retrofit
58
Relay Location
58
Service Access Panel
58
Wiring Change
58
Air Flow Adjustment
59
Waterside Economizer Installation
59
Fan Motor and Sheave Adjustment
59
Economizer Part Numbers
61
Waterside Economizer Installation for GEV and GEH 6 to 25 Ton Models
61
Economizer Start-Up
63
Start-Up Sequence
63
Electrical Requirements
64
Electrical Performance
64
Electrical Minimum and Maximum
76
Pre-Start Checklist
77
Sequence of Operation
78
Initial Unit Start-Up
78
Start-Up Checklist and Log
78
Operation Pressures
79
Operating Pressures in Cooling/Heating
79
Cooling Water Pressure Drops
86
Water Pressure Drop
86
Water Volume
86
Preventive Maintenance
87
Condensate Trap
87
Water Quality Table
87
Wiring
88
Basic — 208 V-60 Hz-1Ph
88
Troubleshooting
92
Diagnostic Leds
92
Warranty Information
94
Standard Warranty
94
Extended Warranty
94
Warranty
94
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Trane Axiom GEVB 42 Specifications
General
Brand
Trane
Model
Axiom GEVB 42
Category
Water System
Language
English
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