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Control & Display Module Replacement
Kit Part Number
Each Kit Includes:
• Control Module
• Display Module with cover
Recommended Tools:
• Phillips Head Screwdriver
WARNING
!
Indicates a potentially hazardous situation which,
if ignored, can result in serious injury or substan-
tial property damage.
WARNING
!
For your safety, turn off electrical power supply
at service panel and allow unit to cool before pro-
ceeding to avoid possible electrical shock and
scald hazard. Failure to do so can cause severe
personal injury or death.
2019-66 Exalt Control Module Replacement
Revised 7/29/2021
Exalt
Description
Control Module Replacement
EXRKIT52
Display Module Replacement
Model
All Exalt Models
NOTICE
Indicates special instructions on installation, operation
or maintenance, which are important to equipment
but not related to personal injury hazards.
WARNING
!
Failure to follow instructions below can result in
severe personal injury or damage if ignored.
•
Instructions are for a qualified installer/ ser-
vice technician only.
•
Read all instructions before proceeding.
•
Follow instructions in proper order.
1
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Table of Contents
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Summary of Contents for IDEAL EXRKIT52
- Page 1 Exalt Control & Display Module Replacement Kit Part Number Description Model Control Module Replacement EXRKIT52 All Exalt Models Display Module Replacement Each Kit Includes: • Control Module • Display Module with cover Recommended Tools: • Phillips Head Screwdriver NOTICE WARNING...
- Page 2 Exalt Control & Display Module Replacement the OK button to enter the access code. 1. Preliminary Instructions 1. Verify that the replacement kit is correct for the model of boiler. See table on page 1. 2. Carefully open and unpack the PARTS BOX from its shipping carton.
- Page 3 Exalt Control & Display Module Replacement 6. Record all CH Settings in Table 1. Once completed, 12. Press the RIGHT then DOWN buttons to highlight press the RIGHT button to highlight the Previous the Cascade icon, then press the OK button. Screen icon, then press the OK button.
- Page 4 Exalt Control & Display Module Replacement and pull the module out. 4. Installation of Control Module 1. Mount the control module into the case by secure- ing it behind the mounting clips on both sides of the case. NOTICE 2. Reconnect the Molex connectors to proper posi- tion.
- Page 5 Exalt Control & Display Module Replacement 4. Programming new Control and DIsplau Board 1. Follow the instructions in step 2 to gain access to the installer menu. 2. Go to boiler settings and click appliance setting, as seen in Fig. 10 and Fig. 11. 3.
- Page 6 Exalt Control & Display Module Replacement Table 1: Controls Settings HEATING SETTING FACTORY DEFAULT MINIMUM SETTING MAXIMUM SETTING EXISTING SETTING Heating Operation Enabled Demand Type Thermostat & Outd. Curve Absolute Max CH Setpoint 185°F [85°C] 68°F [20°C] 188°F [87°C] CH1 Maximum Setpoint 180°F [82°C] 68°F [20°C] 188°F [87°C] CH1 Minimum Setpoint 80°F [27°C]...
- Page 7 Exalt Control & Display Module Replacement Table 1 Cont: BOILER SETTING FACTORY DEFAULT MINIMUM SETTING MAXIMUM SETTING EXISTING SETTING Lockout Temp. 210°F [99°C] Modbus Address 0=BCST 0=BCST Flex. Relay 1(CH) Flex. Relay 2(DHW) Flex. Relay 3(P3) CH1/CH2/DHW Flex. Relay 4(ERR) ERROR Flex. Relay 5(Flame) FLAME Flex.
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