Wiring To Modulating Motors; Connecting To The Mini-Extension Panels - heat-timer Mini-Extension Installation And Operations

Sequencing modulating control for hydronic heating systems
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WIRING TO MODULATING MOTORS

WIRING THE 4-20MA MODULATING MOTORS (A TERMINALS 13, 14), (B TERMINALS 16, 17),...
The Mini-MOD can operate up to four 4-20 mA modulating motors.
The Mini-Extension can operate up to six 4-20 mA modulating motors.
The Mini-MOD and the Mini-Extension sources 24VDC excitation voltage for the 4-20mA signal.
Wire the (-) from the modulating motor to the boiler terminal on the Mini-MOD marked (GND). That is for
boiler A, the modulating (-) terminal will be 13.
Wire the (+) from the modulating motor to the boiler terminal on the Mini-MOD marked (mA). That is for
boiler A, the modulating (-) terminal will be 14.
WIRING THE VOLTAGE MODULATING MOTORS (A TERMINALS 13, 15), (B TERMINALS 16, 18),...
The Mini-MOD can operate up to four 0-5V, 0-10V, 1-5V, or 2-10V modulating motors.
The Mini-Extension can operate up to six 0-5V, 0-10V, 1-5V, or 2-10V modulating motors.
Wire the (GND) from the modulating motor to the boiler terminal on the Mini-MOD marked (GND). That is
for boiler D, the modulating (GND) terminal will be 22.
Wire the (V+) from the modulating motor to the boiler terminal on the Mini-MOD marked (VLT+). That is for
boiler D, the modulating (V+) terminal will be 23.

CONNECTING TO THE MINI-EXTENSION PANELS

The Mini-MOD is equipped with a 6-pin phone socket to connect to extension panels.
The Mini-Extension is equipped with two 6-pin phone sockets to connect to Mini-MOD and an additional
Mini-Extension panel.
Only 6-wire phone cable must be used for proper operation.
Connection cable is provided as part of the Mini-Extension package.
Phone cables must be of a 6-wire with 6-pin terminals. Phone cables can extend up to 100'.
OUTPUT RATINGS:
120VAC, 6A RESISTIVE
1A PILOT DUTY, 15A TOTAL
FOR ALL CIRCUITS
INPUT RATINGS:
115VAC 60Hz , 30VA MAX
USE COPPER WIRE,
CLASS 1 WIRE ONLY.
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT
CAUTION
: RISK OF ELECTRIC SHOCK
LISTED
More than one disconnect switch may be required
99RA
to de-energize the equipment before servicing.
Connecting Mini-MOD to
Two Extension Panels
using RS485
Mini-MOD
Mini-MOD
Full Modulation Sequencing Control
SYSTEM
A
B
---
---
C
D
DO NOT APPLY ANY VOLTAGE
PROGRAM
RUN
TO INPUT TERMINALS
Mini-MOD & Mini-Extension Installation Manual
Mini-MOD Extension A
E
C
US
G
ENCLOSED
ENERGY
MANAGEMENT
I
EQUIPMENT
LISTED
99RA
Comm
PWR
E
K
F
L
G
M
H
N
I
O
J
L N
1 2
3 4
5 6
7 8
9 10
11 12
11 12
Mini-MOD Extension B
E
C
US
G
ENCLOSED
ENERGY
MANAGEMENT
I
EQUIPMENT
LISTED
99RA
Comm
K
L
M
N
O
J
PWR
E
F
G
H
I
L N
1 2
3 4
5 6
7 8
9 10
11 12
11 12
Extension Module
Full Modulation Sequencing Extension
OUTPUT RATINGS:
K
F
L
120VAC, 6A RESISTIVE
1A PILOT DUTY, 15A TOTAL
M
N
H
FOR ALL CIRCUITS
INPUT RATINGS:
O
J
P
115VAC 60Hz, 12VA MAX
Use Copper Conductors Only.
Power
CAUTION:
Risk of Electric Shock.
More than one disconnect switch may be required
to de-energize the equipment before servicing.
Ext A
Ext B
E
K
F
L
G
M
H
N
I
O
J
P
P
CUR / VLT
CUR / VLT
CUR / VLT
CUR / VLT
CUR / VLT
CUR / VLT
GND
mA
VLT
GND
GND
mA
VLT
GND
GND
mA
VLT
GND
GND
mA
VLT
GND
mA
VLT
GND
GND
mA
VLT
19
13
14
15
16
16
17
18
19
20
21
22
22
23
24
25
26
27
16
28
29
30
Extension Module
Full Modulation Sequencing Extension
K
OUTPUT RATINGS:
F
L
120VAC, 6A RESISTIVE
1A PILOT DUTY, 15A TOTAL
M
H
N
FOR ALL CIRCUITS
INPUT RATINGS:
O
J
P
115VAC 60Hz, 12VA MAX
Use Copper Conductors Only.
Power
CAUTION:
Risk of Electric Shock.
More than one disconnect switch may be required
to de-energize the equipment before servicing.
Ext A
Ext B
E
K
F
L
G
M
H
N
I
O
J
P
P
CUR / VLT
CUR / VLT
CUR / VLT
CUR / VLT
CUR / VLT
CUR / VLT
GND
mA
VLT
GND
mA
VLT
GND
GND
mA
VLT
GND
GND
mA
VLT
GND
mA
VLT
GND
mA
VLT
GND
GND
13
14
15
16
16
17
18
19
19
20
21
22
22
23
24
25
26
27
16
28
29
30
11
EXTENSION
MODULE
RS-485
EXTENSION
MODULE
RS-485

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