Bosch TW Series - Safety Warnings

6 720 220 047
Revised 03-11 Subject to change without prior notice
3
TW Series / Water to Water
TABLE OF CONTENTS
Model Nomenclature .................................................................................... 3
Initial Inspection .......................................................................................... 4
Installation ................................................................................................... 4
Electrical ...................................................................................................... 5
Piping .......................................................................................................... 5
Cooling Tower / Boiler Applications ............................................................. 6
Well Water Systems ...................................................................................... 7
Earth Coupled Geothermal Systems ............................................................ 7
Typical Load Side Applications ..................................................................... 7
Water to Water Unit Controller ..................................................................... 8
Modes Of Operation .................................................................................... 8
Unit Protection ............................................................................................. 9
User Adjustable Setting Chart .................................................................... 11
Setting Up The Controller .......................................................................... 11
Initial Conguration ................................................................................... 12
System Check-Out...................................................................................... 13
Unit Start-Up .............................................................................................. 13
Heat Recovery Package .............................................................................. 14
Operating Pressures .................................................................................. 16
Chiller Mode .......................................................................................... 16
Boiler Mode ........................................................................................... 16
Wiring Diagrams ......................................................................................... 17
Two Phase - Single Stage ....................................................................... 17
Two Phase - Single Stage Solid State Unit Controller ............................. 18
Unit Check-Out........................................................................................... 19
Trouble Shooting ........................................................................................ 20
MODEL NOMENCLATURE
Table of Contents
NOT APPLICABLE
WATER CONNECTION
LOCATION
F-FRONT
WATER COIL OPTIONS
C-COPPER
N-CUPRO-NICKEL
MODEL:
TW=WATER TO WATER R-410A
NOMINAL CAPACITY:
THOUSANDS OF BTUH - COOLING
VOLTAGE DESIGNATIONS:
1- 208-230/1/60
CONTROL OPTIONS:
CS: WATER-TO-WATER UNIT NO CONTROLS
US: WATER-TO-WATER UNIT MOUNTED CONTROLLER
TW 060 - 3 CS C - F X X