Powrmatic HEMNVx 175-21 Manuals

Manuals and User Guides for Powrmatic HEMNVx 175-21. We have 2 Powrmatic HEMNVx 175-21 manuals available for free PDF download: User, Installation And Service Manual, User, Installation & Servicing Manual

Powrmatic HEMNVx 175-21 User, Installation & Servicing Manual

Powrmatic HEMNVx 175-21 User, Installation & Servicing Manual (45 pages)

Brand: Powrmatic | Category: Industrial Equipment | Size: 4 MB

Table of Contents

Table of Contents
3
User Instructions
4
Introduction
5
- Duties & Dimensions
  6
- Pressure Drop Graph
  8
- Technical Data
  11
- Heater Specifications - Natural Gas
  11
- Electrical Supply
  12
- Meters
  12
- Installation Pipes
  12
General Requirements
12
- Type B Flued Installations
  13
- Burner/Controls Enclosure
  13
- Natural Ventilation
  13
- Type C Flued Installations
  13
- Ventilation Requirements
  14
- Unpacking
  15
- Module Types
  15
- Module Fitment
  15
Fitting the Unit
15
- Horizontal Flue Outlets, Type B Installation
  16
- HEM-Nvx
  16
- Hem-Sl
  16
- Gas Installation
  17
- Minimum Airflow Requirement
  18
- Main Air Fan
  18
- Flue System
  18
- Electrical Connections
  18
- Single Burner Internal Components
  19
- Dual Burner Internal Components
  19
General Identification of Items
19
Single and Dual High-Low Burners
20
Electrical Cable Installation
20
Wiring Diagrams
22
Commissioning and Testing
26
- SIT Sigma 843 Adjustment
  27
- High/Low Regulation
  27
- Burner Gas Pressures
  27
- Adjustments
  27
- Modulating Regulation
  28
- Modulating Burner Control
  28
- Minimum Setting
  28
- Basic Operation Method
  28
- Potentiometer P1 (Default Setting 100%)
  29
- Potentiometer P2
  29
- Potentiometer P3 (Default Setting 100%)
  29
- Air Heater Controls
  30
- Flame Current
  30
- Final Adjustments
  30
Servicing
30
- Main Burner Assembly Removal
  31
- Heat Exchanger
  31
- Exhaust Fan
  31
- HEM 60 to 200
  31
- Multifunctional Control
  32
- Limit Thermostat
  32
- Burners
  32
- Electrode Assemblies
  32
- Control Box
  33
- Fault Finding
  33
- Air Pressure Switch
  33
List of Parts
34
- Appendices
  36
- Single Module - External
  38
- Internal (Non Plant Room) Flue Only
  38
Flueing and Ventilation Requirements for 'Stand Alone' Units
38
- Internal (Non Plant Room) Room Sealed
  39
- Internal Within Plant Room - Flue Only
  40

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Powrmatic HEMNVx 175-21 User, Installation And Service Manual

Powrmatic HEMNVx 175-21 User, Installation And Service Manual (48 pages)

Heat Exchanger Modules Industrial & Commercial Heating Systems

Brand: Powrmatic | Category: Control Unit | Size: 12 MB

Table of Contents

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