Technical data
4 TECHNICAL DATA Manual No. 405/0101
1. TECHNICAL DATA - PAGE 4
The boiler model and serial No. are given on the Serial No. label on the front of the control box.
The boiler data label is on the left hand side of the chassis next to the gas valve.
Boiler model Ultra Dv 30 Ultra Dv 40 Ultra Dv 50 Ultra Dv 60 Ultra Dv 80
Burner type (Aeromatic) AC13/112503 AC13/112504 AC13/112505 AC13/112506 AC13/112507
Burner injector Bray 23/800 Bray 23/1100 Bray 23/1350 Bray 23/1700 Bray 23/2400
Pilot injector SIT 0.977.142 marked 33
Pilot flame 35 to 40 mm
Spark gap
5.0 mm ± 2 mm
Ignition Intermittent pilot
Weight (empty) 47.7 kg 48.2 kg 48.8 kg 49.3 kg 50.7 kg
Max. lifting weight (installing) 24.0 kg 24.5 kg 25.1 kg 25.6 kg 27.0 kg
Water content 1.65 litre 1.70 litre 1.75 litre 1.80 litre 2.15 litre
Pump (Myson SMC) SD51 SD61
System expansion vessel 10 litre (charge pressure 0.5 mbar)
*Water flow rate 11.4 1/min 15.0 1/min 19.2 1/min 22.8 1/min 30.6 1/min
*Pump head 4.6 m water 3.8 m water 2.8 m water 1.8 m water 1.7 m water
Maximum flow temperature
82°C
Design water temperature rise
11°C
Height 800 mm
Width 450 mm
Depth 350 mm
Clearance Top 50 mm (150 mm if Vertex flue kit is to be fitted)
required Bottom 150 mm
for Front 500 mm
servicing Sides 10 mm
Flue terminal size 100 mm dia x 65 mm deep
Water connections Compression fittings to accept 22 mm and 28 mm copper tubing to BS2871
Gas connection Rp ½ (bottom left hand side)
Mid position zone valve Honeywell 22 mm 28 mm
* Water flow rate and pump head available for a system temperature differential of 11°C.
NOMINAL BOILER RATINGS
Boiler model Output Input Burner setting pressure
kW Btu/h kW Btu/h mbar in wg
Ultra Dv 30 5.9 20 000
8.8 30 000
7.5 25 500
11.0 37 500
6.4 2.6
13.5 5.4
Ultra Dv 40 8.8 30 000
11.7 40 000
11.1 37 900
14.7 50 000
7.9 3.2
13.7 5.5
Ultra Dv 50 11.7 40 000
14.7 50 000
14.7 50 000
18.3 62 500
9.0 3.6
14.2 5.7
Ultra Dv 60 14.7 50 000
17.6 60 000
18.8 64 000
22.0 75 000
9.7 3.9
13.5 5.4
Ultra Dv 80 17.6 60 000
23.4 80 000
22.3 76 000
29.3 100 000
8.3 3.3
14.7 5.9