ClimateMaster DD Series Manuel de service Page 26

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26
ClimateMaster Water-Source Heat Pumps
CLIMATEMASTER WATER-SOURCE HEAT PUMPS
Tranquility
®
30 (TT) Series
Rev.: 07/18/13
Thermostat Installation - The thermostat should be
located on an interior wall in a larger room, away from
supply duct drafts. DO NOT locate the thermostat in
areas subject to sunlight, drafts or on external walls.
The wire access hole behind the thermostat may in
certain cases need to be sealed to prevent erroneous
temperature measurement. Position the thermostat
back plate against the wall so that it appears level and
so the thermostat wires protrude through the middle
of the back plate. Mark the position of the back plate
mounting holes and drill holes with a 3/16” (5mm) bit.
Install supplied anchors and secure plate to the wall.
Thermostat wire must be 18 AWG wire. Representative
thermostat wiring is shown in Figures 22a-c however,
actual wiring connections should be determined from the
thermostat IOM and or unit wiring diagram. Practically
any heat pump thermostat will work with ClimateMaster
units, provided it has the correct number of heating and
cooling stages.
Figure 22a: Auto-dehumidi cation Control
Figure 22c: Units with ClimaDry
®
Reheat
Electrical - Thermostat Wiring
Figure 22b: No Dehumidi cation Control.
ATP32U03 or ATA22U01 Thermostat
Connection to ECM Control
Compressor
Compressor Heating Stage 2
Reversing Valve
Fan
24Vac Hot
24Vac Common
Fault LED
Y1
Y2
O
G
R
C
L
Y
Y2
O
G
R
C
AL1
ECM
Interface
Board
Field Wiring
Factory Wiring
ATP32U04 Thermostat
Connection to ECM Control
Compressor
Compressor Stage 2
Reversing Valve
Fan
24Vac Hot
24Vac Common
Fault LED
Electric Heat
ECM
Y1
Y2
DH
O
G
R
C
AL1
Y1
Y2
DH
O
G
R
C
L
W1
W
Dehumidification
Units with CXM or DXM board and ECM fan motor, utilizing
ECM dehumidification mode (w/o ClimaDry option)
Notes:
1) ECM dehumidification mode slows down fan speed in the
cooling mode when dehumidification output from thermostat is
active. Normal heating and cooling fan speeds are not
affected.
2) ECM board DIP switch SW9 must be in dehumid. mode.
Electric Heat
ATP32U04 Thermostat
Connection to ECM & DXM Control
Compressor
Compressor Stage 2
Reversing Valve
Fan
24Vac Hot
24Vac Common
Fault LED
ECM
Y1
R
C
AL1
Y1
Y2
DH
O
G
R
C
L
Dehumidification
DXM
Y2
H
O/W2
G
Terminal
Block
1
2
4
3
7
6
8
5
W
W
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