Carrier ETN - Configuring Micro-switches; Micro-switch Settings on Block S1; Micro-switch Settings on Block S2

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10-06-05
Micro No.
Position
MICROS BLOCK S1
1-3-4-5-6
OFF
2
ON
Micro No.
Position
MICROS BLOCK S2 (*)
2-4-5
OFF
1-3-6
ON
NON-PROGRAMMABLE THERMOSTAT
MODELS « 38XTZ + 40ALZ 011 »
THERMOSTAT TERMINALS
UNIT ELECTRICAL BOX TERMINALS
(Cooling only Models)
REF.- ETN.13
Y 1 G W 1 C R
Y 1 G Y 2 S W 2 ESEW 1OCR
( * ) .- Set Micro no 5 on
Block S2 to ON when the
Unit starts up the Hot Water
Coil.
NOTE
Before connecting the
alarms, read pages 34 and
35 of this manual.
SEE
NOTE
5.2 – Configuring the Micro-switches
Position of micro-switches on Block S2:
Heat Pump
Cold + Electrical Heater
Cold + Hot water Coil
ON
OFF
OFF
ON
OFF
ON
UNIT TYPE
45
MICRO POSITION
Set Temp.
Atmospheric or return temp.
OFF
ON
ON-SCREEN DISPLAY
MICRO POSITION
6
internal
remote (Atmospheric or return)
ON
OFF
OFF
ON
ON
OFF
PROBE TYPE
1
23
MICRO POSITION
Position of micro-switches on Block S1:
Micro n
o
2 must be set to ON
Micros n
o
1-3-4-5-6 must be set to OFF
Note: Micro 2 sets Heat and Aux. mode. Heat on screen and the possibility of user
selection.