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- 9 -
10-06-05
Micro No.
Position
MICROS BLOCK S1
1-3-4-5-6
O F F
2
O N
Micro No.
Position
MICROS BLOCK S2
2
O F F
1-3-4-5-6
O N
NON-PROGRAMMABLE THERMOSTAT
MODELS « 50PZ / 38PZ + 40PZ 031-075 »
THERMOSTAT TERMINALS
UNIT ELECTRICAL BOX TERMINALS
(Heat pump Models)
REF.- ETN.12
Y 1
G
W 1
C
R
Y 1
G
Y 2
S W 2
E
S
E W 1 O
C
R
O
Y 2
1 6
1 7
Temp ºC
Resist. k
5.3 Atmospheric or remote return sensor connection (optional)
NTC Sensor: Temperature~Resistance Features
10.0
100.9
12.8
88.1
15.6
77.1
23.9
52.5
21.1
59.6
18.3
67.7
7.2
115.8
32.2
36.6
29.4
41.2
26.7
46.4
·
Disconnect the 24 vac power supply to the thermostat.
·
Set micro-switches 1, 2, 3 on block S2 as required.
·
Connect the temperature sensor to terminals S and S.
·
Reconnect the 24 vac. power supply.
·
Use shielded-type wiring to connect the sensor.
Factory configuration includes an internal sensor.
2
1, 3, 4, 5, 6
Micro No.
Position
ON
OFF
BLOCK S1
1, 3, 6
2, 4, 5
Micro No.
Position
ON
OFF
BLOCK S2
The micro-switches are factory configured by default in the following position:
IMPORTANT:
To check if the Unit has a
jumper befween
«R & 16»
or
«R & 17»
.
If yes, this jumper must be
removed before doing new
thermostat connections.
