Technical data

2
SANTON PREMIER PLUS INSTALLATION AND SERVICING INSTRUCTIONS.
PLEASE LEAVE THIS MANUAL WITH THE UNIT FOR FUTURE REFERENCE.
CONTENTS
SECTION CONTENT PAGE
1 INTRODUCTION . . . . . . . 2
2 GENERAL REQUIREMENTS . . . . . . 3
3 INSTALLATION - GENERAL . . . . . . 4
4 INSTALLATION - DIRECT UNITS . . . . . . 9
5 INSTALLATION – INDIRECT UNITS . . . . . 9
6 COMMISSIONING . . . . . . . 11
7 MAINTENANCE . . . . . . . 12
8 FAULT FINDING AND SERVICING . . . . . 13
9 USER INSTRUCTIONS . . . . . . 15
10 GUARANTEE . . . . . . . . 16
11 SPARES STOCKISTS . . . . . . . 16
1.0 INTRODUCTION
The Santon Premier Plus is a purpose designed
unvented water heater. The unit has a stainless steel
inner vessel which ensures an excellent standard of
corrosion resistance. The outer casing is a combina-
tion of resilient thermoplastic mouldings and plastic
coated corrosion proofed steel sheet. All Premiers
are insulated with CFC free polyurethane foam to
meet the latest European heat loss requirements (see
Table 3).
The unit is supplied complete with all the necessary
safety and control devices needed to allow connec-
tion to the cold water mains. All these components
are pre-adjusted.
NOTE: Prior to installation the unit should be stored
in an upright position in an area free from excessive
damp or humidity.
This appliance complies with the requirements of
the CE marking directive and is WRAS approved to
show compliance with Building Regulations (Sec-
tion G3).
The following instructions are offered as a guide to
installation which must be carried out by a competent
plumbing and electrical installer in accordance with
Building Regulation G3, The Building Standards
(Scotland) Regulations 1990, or The Building Regula-
IMPORTANT: PLEASE READ ALL THESE INSTRUCTIONS BEFORE
COMMENCING INSTALLATION
TABLE 1: OPERATIONAL SUMMARY
Maximum water supply pressure to PRV 16.0 bar
Operating pressure of unit 3.5 bar
Expansion vessel charge pressure 3.5 bar
Expansion valve setting 6.0 bar
Nominal storage capacity of units (see Section 2 Table 2)
Max. primary working pressure 3.0 bar (indirects only)
Opening temperature of T&P Relief Valve 90deg C
Opening pressure of T&P Relief Valve 10 bar