WarmFlow Utility Combi UC70HEE User Manual

Page 1
CONTENTS
1 USER INSTRUCTIONS ......................................................................................................... 3
1.1 Dual Thermostat ......................................................................................................................... 3
1.2 High Limit Thermostat Reset ...................................................................................................... 3
1.3 Burner Lockout ........................................................................................................................... 3
1.4 System Pressure – System & Combi Boilers .............................................................................. 4
1.5 Filling Loop ................................................................................................................................. 4
1.6 Combi Control Panel .................................................................................................................. 4
2 CONDENSING BOILER INSTALLATION REQUIREMENTS ............................................... 5
3 BEFORE FITTING A COMBI BOILER THE INSTALLER MUST CHECK: .......................... 6
4 GENERAL INFORMATION ................................................................................................... 7
4.1 Introduction ................................................................................................................................ 7
4.2 General Requirements ............................................................................................................... 7
4.3 Combi General Requirements .................................................................................................... 8
4.4 Baffle Positioning........................................................................................................................ 9
4.5 Components ............................................................................................................................. 10
5 TECHNICAL DETAILS ....................................................................................................... 21
5.1 Combi Sequence of Operation Flow Chart ............................................................................... 21
5.2 Dimensions .............................................................................................................................. 22
5.3 Condensate Disposal ............................................................................................................... 27
5.4 Technical Data ......................................................................................................................... 28
6 ELECTRICITY SUPPLY & WIRING DETAILS ................................................................... 37
6.1 Dual-Safe Thermostat (Non-Combi Boilers) ............................................................................. 37
6.2 RDB Burner Control Box .......................................................................................................... 37
6.3 Combi Wiring Details ................................................................................................................ 38
6.4 Installation of a Warmflow Combi Optional Programmer (PC1) ................................................ 41
6.5 Remote Timers for Combis ....................................................................................................... 42
6.6 Optional Programmer (PC1) for Non-Combi Models ................................................................. 43
7 OIL SUPPLY ....................................................................................................................... 47
7.1 One Pipe Gravity System ......................................................................................................... 47
7.2 Two Pipe System ..................................................................................................................... 48
7.3 De-aerator System ................................................................................................................... 48
7.4 One Pipe Lift System ................................................................................................................ 49
7.5 Instructions for the use of Bio Fuel ........................................................................................... 50
8 FLUES ................................................................................................................................. 52
8.1 Flue Options, Components & Dimensions ................................................................................ 52
8.2 Flue Terminal Locations ........................................................................................................... 68
9 AIR SUPPLY FOR COMBUSTION & VENTILATION ......................................................... 69
9.1 Open Flue Boilers..................................................................................................................... 69
9.2 Balanced Flue Boilers – Boilers in a Compartment ................................................................... 69

WarmFlow Utility Combi UC70HEE Specifications

General

Brand	WarmFlow
Model	Utility Combi UC70HEE
Category	Boiler
Language	English