MovinCool Climate Pro 18 Service Manual - Manual (Page 45)

Operation Section
45
6.2 24VAC Thermostat Connection (Field Supplied)
• An optional 24VAC transformer is required with a field supplied 24VAC thermostat.
WARNING
Disconnect power before installation. Beware that some residual voltage may remain in
the unit immediately after the power is disconnected.
1) Turn the unit off and unplug the power cord. Refer to the previous section to remove the service
panel and insert the thermostat wires through the hole in the rear panel. Connect the 24VAC
thermostat wires to the terminal block according to the 24VAC thermostat connection table
shown above.
2) Install the 24VAC secondary class 2 transformer to the service box. Insert the secondary side
wires through the upper grommet hole in the service box. Connect the wires to the terminal
blocks according to the 24VAC transformer connection table shown above. All wiring must
comply with applicable local codes, ordinances, and regulations.
Specifications:
- Transformer: Primary 115 V, Secondary 24 V
- Recommended wire size: 18 AWG or 20 AWG
24VAC Thermostat Connection Table
24VAC Transformer Connection Table
24VAC RC/RH
24VAC C
24VAC
Thermostat
Wire No.
Unit
Terminal Block 3
Terminal No.
O/B
G
Y
C
O/B
RC/RH
G
Y
R1
24VAC
Trasformer Wire
No.(Primary Side)
Unit
Terminal Block 1
Terminal No.
T1
R1
T1
24VAC Hot
24VAC
Trasformer Wire
No.(Secondary Side)
Unit
Terminal Block 3
Terminal No.
24VAC Neutral
Hot
Neutral
Jumper Plug
24VAC Thermostat
24VAC Transformer
Primary
Secondary
TB3
TB1
Service Box
N
eutralNeutral HotHot
ILL00880-00