
E8 Controller and BCM for Modulex EXT
Installation, Operation & Maintenance Manual
CHAPTER 5: E8 CONTROLLER MENUS AND SUB-MENUS
OMM-0093_0A AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 51 of 108
GF-136-C Ph.: 800-526-0288 PRI: 06/24/2013
Table 5-7: SERVICE Menu Listing
FUNCTION DESCRIPTION REMARKS
RELAY TEST Sub-Menu
This Sub-Menu is used to check the status of the relays contained in the
Controlller. These relays are numbered 00 through 11 and are defined as shown
below. CODE NO. Entry is required to access these relays.
A1: Pump, Heating Circuit 1
A2: Pump, Heating Circuit 2
A3: Hot Water Charging Pump
A4: Mixer OPEN, Heating Circuit 2
A5: Mixer CLOSED, Heating Circuit 2
A7: HS2 ON [2-stage:HS 1+2 (after 10s) ON]
08 A8: Mixer OPEN Heating Circuit 1 /
09 A9: Mixer CLOSED Heating Circuit 1 /
A11: Collector Pump / Multifunction 4
SENSOR TEST Sub-Menu
This Sub-Menu is used to check and display the temperature readings of the
sensors connected to the Controller.
Lower buffer storage temperature
F2 Middle buffer storage temperature or room
temperature heating circuit 1
Upper buffer storage temperature
Flow temperature, heating circuit 2
Flow temperature, heating circuit 2
Upper hot water temperature
Heat generator /header temperature
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