SS1R WITH INTEGRAL UC1 UNIVERSAL CONTROL BOARD FEATURES
# 1.
Power supplied by board. Do not supply power to this area or control damage may result.
# 2. Do not supply power to the appliance interlock block with the call selector in the “DRY” position.
Control damage may result if power is supplied.
# 3. Circuit protection must be provided by the installer. 16 Amps is the maximum current allowed for this device at terminal L.
VETI
A 15 Amp circuit breaker is recommended.
VETI
I
A
PRE / POST PURGE AND PROVER STATUS CHECK DIP SWITCH SETTINGS
Remove power to SS1R and heating equipment when installing, servicing or changing dip switch settings. Failure to do so may result in
personal injury and/or equipment damage. LED #6 (RED) should not be on if 115 VAC supply power is removed from the control.
Pre-purge
Used for longer vent runs to get draft fully established throughout the vent system prior to burner ignition. Also beneficial for nega-
tive pressure prone environments.
IMPORTANT:
Nuisance equipment lockouts may occur if our pre-purge is running in conjunc-
tion with and is longer than any equipment timing circuit. Pre-purge settings must be shorter than burner control lockout time
unless wired prior to burner control timing circuit (i.e. aquastat / thermostat).
Post-purge
A Venter post-purge has been factory set at 2 minutes. Confirm that dip switch #5 is in the up or "on" position. Oil fired equipment
requires that the post-purge be long enough to eliminate post cycle nozzle drip odor. A longer post-purge may be necessary for
longer vent runs or high heat retention, refractory lined combustion chambers.
4
LED 1 (AMBER)
LED 2 (BLUE)
LED 3 (GREEN)
LED 4 (RED)
LED 5 (RED)
LED 6 (RED) POWER LED
DRY
24 V
115 V
APPLIANCE
INTERLOCK
RELAY
VENTER
MOTOR
RELAY
A B 1 2 3 4 L N
J1 J2 XL XN
P1 P2 C GND F
(1 9)
N M MTR
XL / XN AUXILIARY DEVICE
POWER TERMINALS
115 VAC - Maximum of 0.15 Amps.
Only connect to Tjernlund auxiliary devices.
SEE WARNING # 1.
LED STATUS LIGHTS
See “LED Status & Fault
Indicator Section” for details.
J1- J2 CALL
JUMPER
Used when the call signal is
used as the “proven” return
signal to the appliance. See
wiring section for details.
APPLIANCE INTERLOCK
TERMINAL BLOCK (A-B, 1-4)
A - B
- Dry Contact call. 3 mA @ 5VDC.
SEE WARNING # 1.
1
- 24 or 115 VAC intercepted call.
IMPORTANT
: RED voltage jumper must
match intercepted call voltage.
2
- 24V common or 115V Neutral.
3
- Common terminal to appliance relay con-
tacts.
IMPORTANT:
J1-J2 jumper routes
call voltage at terminal 1 to 3. Remove
J1-J2 jumper if a different voltage source is
provided to terminal 3.
4
- Normally open terminal of appliance relay.
Will be energized from terminal 3 if safety
circuit is “proven”.
L / N - 115 VAC POWER
SUPPLY BLOCK
115 VAC / 50-60 Hz
Circuit protection provided by installer.
SEE WARNING # 3.
MTR & M LOAD TERMINALS
FROM VENTER MOTOR RELAY
Used to drive SS1R Motor & Burner Motor.
1 HP MAX LOAD across terminals MTR & M / N.
APPLIANCE INTERLOCK
RELAY
1 HP MAX LOAD across
terminals 3 & 4.
VENTER MOTOR RELAY
1 HP MAX LOAD from
terminals L to MTR & M.
P1 - P2 SAFETY CIRCUIT
TERMINALS
1 mA @ 5VDC.
SEE WARNING # 1
.
C, GND, F AUXILIARY DEVICE
COMMUNICATION TERMINALS
2 mA @ 5VDC. For Tjernlund MAC1E or
MAC4E auxiliary devices.
SEE WARNING # 1
.
APPLIANCE CALL
VOLTAGE SELECTION
Place
RED
voltage jumper in
proper location based on
appliance call interlock volt-
age.
SEE WARNING # 2.
IMPORTANT
DIP SWITCH SETTINGS
Pre-Purge (1-2)
Post-Purge (3-8)
Prover status check (9)
See “Pre / Post Purge &
Prover Status Check Dip
Switch Settings”.
