059040-00 C
InstallatIon and operatIon InstructIons
Mini-Mod & Mini-Mod extension
sequencIng ModulatIng control
for HydronIc HeatIng systeMs
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT
99RA
Extension Module
Full Modulation Sequencing Extension
F
H
J
Power
CAUTION:
Risk of Electric Shock.
More than one disconnect switch may be required
to de-energize the equipment before servicing.
PWR
L N
1 2
E
3 4
F
5 6
G
7 8
H
9 10
I
11 12
EXTENSION
MODULE
RS-485
Ext A
INPUT RATINGS:
115VAC 60Hz, 12VA MAX
Use Copper Conductors Only.
OUTPUT RATINGS:
120VAC, 6A RESISTIVE
1A PILOT DUTY, 15A TOTAL
FOR ALL CIRCUITS
E
G
I
Comm
Ext B
K
M
O
L
N
P
17
16
VLT
mA
CUR / VLT
20
19
16
VLT
mA
GND
CUR / VLT
23
22
19
VLT
mA
GND
CUR / VLT
26
25
22
VLT
mA
GND
CUR / VLT
J
13 14
K
M
O
L
N
P
E
F
G
H
K
M
L
N
15
GND
18
GND
21
GND
24
GND
29
28
VLT
mA
CUR / VLT
32
31
16
VLT
mA
GND
CUR / VLT
27
GND
30
GND
I
J
O
P
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT
99RA
SYSTEM
A
B
C
D
Full Modulation Sequencing Control
1 2
RUN
PROGRAM
FOR ALL CIRCUITS
120VAC, 6A RESISTIVE
OUTPUT RATINGS:
1A PILOT DUTY, 15A TOTAL
115VAC 60Hz , 12VA MAX
INPUT RATINGS:
USE COPPER CONDUCTORS ONLY
DO NOT APPLY ANY VOLTAGE
TO INPUT TERMINALS
3 4 5 6 7 8 9 10 11 12
13
15
14
17
16
18
22
20
19
21
24
23
29
25
27
26
28
32
30 31
L N
-
+
+
T
T
O
O
RS-485
mA
GND
VLT
SYS
A
B
C
D
PWR
CUR / VLT
A
-
+
+
mA
GND
VLT
-
+
+
mA
GND
VLT
-
+
+
mA
GND
VLT
+
mA
TEMP
OUTDOOR
O
O
TEMP
SYSTEM
EXTENSION
MODULE
CUR / VLT
B
CUR / VLT
C
CUR / VLT
D
CAUTION
: RISK OF ELECTRIC SHOCK
More than one disconnect switch may be required
to de-energize the equipment before servicing.
PROVE
/DHW
SHUTDOWN
/TSTAT
/SETBACK
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT
99RA
Mini-MOD
WarnIng
the Mini-Mod is strictly an operating control. It cannot be used as a limit control. all
boilers must have all safety and limit controls required by code. It is the responsibility
of the installer to verify that all the safety and limits are working properly.
this control must be installed by a licensed electrician.