Pump Control - ECR International CHB Application Manual

FIGURE 17 - CCB Boiler with Multiple Zone Pumps WITHOUT DHW Interface
CCB BOILER - WIRING DIAGRAMS
LOW VOLTAGE ROOM THERMOSTATS
Argo ARM Zone

Pump Control

CCB BOILER
SECONDARY PUMPS WILL NOT SHUTOFF
DURING DHW PRIORITY WHEN ARGO PRIORITY
SWITCH IS "OFF"
KEY 370
Key 72 1 2 3 4 5 6
REMOVE
JUMPER IF
USED
ZONE PUMPS
6
7 8
26
NOTICE
Important:
• Before connecting to Argo
Control remove jumper on
terminal block. (Key 72)
• Before connecting Low
Water Cutoff remove jumper
on terminal block. (Key 370)
SET PRIORITY
SWITCH TO
"OFF"
L
N
G
POWER SUPPLY
120V/60HZ
SYSTEM PUMP
CONNECTION
L1
(Hot)
Key 307
GND
NEU
120 VAC
POWER SUPPLY CORD
120V/60HZ
PN 240011074 REV C, [11/01/2017]
CH SYSTEM
PUMP (If used)