Service manual

A DJM3.2 MANUAL
3. Linear Ambient Reset (during day and night) – Room Control with Intermittent
Blower (also refer to Page 16)
During day operation the discharge temperature will be linearly reset based on the ambient
temperature. Dipswitch 2 MUST BE ON.
DURING THE DAY
TCR 1
SP
S
TE 6000 – 960 Sensor
Thermostat or Contact
TCR 2
Z
Connect S to SP if
required to use set-
point dial
Linear ambient reset
No room reset
X
DURING THE NIGHT
120°F discharge
Or
TCR = Time Clock Rela
y
OFF when time clock contacts are open.
Time Clock Contact - makes during day.
Time Clock Contact
TCR COIL
TCR Relay Coil - powered by time clock.
4. Linear Ambient Reset with Room Reset (during day and night) – Room Control
with Intermittent Blower
(also refer to Page 16)
Dipswitch 2 MUST BE ON.
DURING DAY
TCR 1
TE 6000 – 960 Sensor
1 HR 1
TCR 2
Z
X
S
SP
Thermostat Contact
Time clock is made during day
TCR TC
RELAY COILS
HR
Connect S to SP if
required to use set-
point dial
Thermostat open, linear ambient reset
Thermostat made, then discharge = 120ºF
DURING NIGHT
Thermostat open, unit off
Thermostat made, discharge = 120ºF
OR
V
1 HR 2
5. Three Level Discharge
Dipswitch 3 MUST BE ON.
The three levels are:
DIAL Set-Point Β MAX RESET
DIAL Set-Point + MAX RESET
120ºF
Page 21 Revised: 3/11/99